
les acides et les bases
Quiz
•
Science
•
7th Grade
•
Practice Problem
•
Hard
Hanifa Rachedi
Used 9+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel est le pH d'une solution neutre comme l'eau pure ?
0
7
14
10
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel type de substance est généralement un nettoyant ?
Acide
Base
Neutre
Acide et base
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel papier tournesol change de couleur en présence d'une base ?
Papier tournesol rouge
Papier tournesol bleu
Papier indicateur de pH
Aucun
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel est le pH typique d'une substance acide ?
0 à 6
7
8 à 14
6 à 8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est la réaction du papier tournesol bleu en présence d'une substance acide ?
Il devient rouge
Il reste bleu
Il devient vert
Il devient jaune
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Parmi les substances suivantes, laquelle est neutre ?
Jus de citron
Savon
Eau salée
Vinaigre
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quel papier indicateur est utilisé pour déterminer le pH exact d'une solution ?
Papier tournesol rouge
Papier tournesol bleu
Papier indicateur de pH
Papier indicateur universel
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